sympatric - Wiktionary, the free dictionary

From sympatry +‎ -ic.

• (UK) IPA^(key): /sɪmˈpætɹɪk/

sympatric (comparative more sympatric, superlative most sympatric)

1. (biology, genetics) Occurring in the same, or in overlapping, territory, especially of species that do not interbreed.

   • 2004, Richard Dawkins, The Ancestor's Tale, Phoenix, published 2005, page 349:

     There is some evidence of sympatric speciation of cichlid fish in small African crater lakes.

• (living in same territory without interbreeding): speciation

• allopatric
• peripatric
• parapatric